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10K On The Bay

10K On The Bay is a running race on September 27, 2026 in Hayward, CA, with entry fees from $25 to $50.

Date
September 27, 2026 (66 days to go)
Price
$25–$50
Sport
Running
Register →

From the Organizer

Lace up for a race with a view!

Presented by the Hayward Area Recreation and Park District, the 10K on the Bay returns on Sunday September 27– and you won’t want to miss it.

Whether you're a seasoned runner or just out for some family fun, there's a course for everyone:

  • One-Mile Family Fun Run
  • 5K (3.1 miles)
  • 10K (6.2 miles)

All races start and finish at the scenic Hayward Shoreline Interpretive Center, with breathtaking bay views and cool coastal air to keep you going strong.

Every participant receives a finisher medal and commemorative t-shirt* – plus the satisfaction of supporting the Hayward Shoreline Interpretive Center’s vital education and conservation programs. *Limited to the first 300 runners to register.

Sign up today and run for a great cause – and an even better view!

Follow us on social for updates on Facebook and Instagram.

Events

1 Mile Run or Walk$25
5K (3.1 Miles) Run or Walk$40
10K (6.2 miles) Run$50

Weather

Typical Conditions

It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.

Typical High

76°

Typical Low

57°

Chance of Rain

5%

Based on US Climate Normals data from Hayward Air Terminal, 2 mi from the venue.

Sunrise 7:00 AMSunset 6:57 PMDaylight 11h 57m

Host City

About Hayward, CA

Population

159,201

as of 2023

City Elevation

881 ft

Nearest Airport

OAK

San Francisco Bay Oakland International Airport · 11 mi

Time Zone

Pacific Time

From Endurance Grid

A mid-size host city. Enough lodging and amenities to keep race weekend easy, without big-city sprawl.

Race Location

Your Next Start Line

What Are You
Waiting For?

Every finish line starts with a single decision. Claim your spot at 10K On The Bay, put it on the calendar, and turn “someday” into a start date.

66

Days to train

Race
10K On The Bay
Date
September 27, 2026

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From Endurance Grid

About This Sport

Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.

With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.

Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.

Read the Guide

Running

From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.

Plan your trip

Make it a Racecation

Coming from out of town? There's more to Hayward than race day. We'll help you line up nearby lodging, flights, a rental car, and things to do so you can make the most of your racecation.

Plan your trip to Hayward
Lodging
Flights
Rental Car
Activities

Frequently Asked Questions (FAQs)

What is the 10K On The Bay?+
10K On The Bay is a running race held in Hayward, California on September 27, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more running races near you or explore our sports guides to learn what race day actually feels like.
When and where is the 10K On The Bay?+
Sunday, September 27, 2026 in Hayward, California at 4901 Breakwater Avenue. Check the event page for exact start times and wave schedules.
How do I register for the 10K On The Bay?+
Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.

10K On The Bay

Sep 27, 2026

Register →